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Out of stock - Accepts Pre-Orders
Out of Stock - Allows Pre-Orders
Message us in discord or our website chat to find out pre-order time.
- Litmus Cable
- Launch Special - Litmus + Vortex Iris 8W
Symphonium x Elise Audio Zenith
4 BA In-Ear Monitor Collaboration Between Symphonium & Elise Audio
- TrueX™ 4-Way Crossover In-Ear Monitors
- CORE+™ and PHAT™ Technology
- Custom Tuned Balanced Armature Design
- Forged Carbon Composite Faceplates
- Anodized AL6063 Aluminium Shell
- Azla Sednafit Origins and Divinus Velvet Wide Eartips
- 24AWG Litmus in 2 Wire Twisted Configuration
- Interchangeable Plugs with 3.5mm and 4.4mm Heads
- Hand-Crafted in Singapore
VAT and Duties Included for UK and Eligible EU Customers.
If you are outside the UK or EU, the price does not include any taxes. Local taxes and import duties will be extra. They will be raised by the local authorities and billed directly to the customer.
VAT and Import Taxes FAQ
Symphonium x Elise Audio Zenith
Symphonium x Elise Audio
Zenith
Since the debut of our very first four-driver IEM, Helios, we have continuously pioneered, iterated and refined the art of four drivers. We have chased every acoustic nuance to its absolute limit, refining the four-driver architecture until every variable has been mastered.
That five-year-long journey ends here. This is Zenith.
Above the Noise
FINAL. FORM. OF. FOUR.
Zenith represents the culmination of everything we have learned. Every element has been min-maxed to perfection: driver selection, acoustic chamber geometry, crossover precision, venting volume and even internal wiring. Nothing is wasted. Nothing is left to compromise.
Zenith delivers a level of coherence, balance, and resolution that brute-force driver counts cannot replicate. It is so complete, so resolved, that to build another four-driver model would be redundant. We have reached the summit, not by climbing with more drivers, but byengineering the definitive expression of what drivers can achieve.
Amid it all, Zenith casts a soundstage that is both wide and deep. Imaging is holographic, and each element is placed with pinpoint precision, yet never over-sharpened. The result is a complete, coherent, and remarkably 3D portrait of music.
Zenith - a Collaboration Milestone
Our collaborations with Symphonium are weaved into Elise Audio history. A collective of creative minds that comes together to craft beautiful experiences. These collaborations have been a journey into sound, technology and craftsmanship. Symphonium always innovate and never refuse a challenge. A company that keeps the human element at the core of its philosophy.
Zenith is the culmination of years of intense work and lots of laughter. We take sound seriously and we remember that playfulness is essential for the creative process.
Fine tuning Zenith was not an easy task. The new technologies introduced in this model required us to reshape the sound almost from the ground-up. It’s a unique iem. It has a strong character and proudly carries the heritage of its acclaimed predecessors.
Crossover
TrueX™
Impedance
6.10 ohms
Chamber System
CORE+™
Resolution Without Compromise
At its heart lies an acoustic labyrinth, a chamber of mathematically modeled shapes made possible only by precision 3D printing. This process allows us to craft complex, organic structures that act as a sonic filter, eradicating unwanted resonances that traditional tube architectures grapple with. Crucially, this architecture is integrated with a pressure-relief vent for fatigue-free listening. Typically, vented designs come with a compromise: softening of resolution. Zenith refuses that compromise through its calculated structure.
Elevated Fit
Forged from high-grade T6 heat-treated AL6063 aluminium alloy, Zenith is as durable as all our models before, while sporting the same iconic shell design that we are known for.
However, Zenith has a nozzle redesigned with feedback from our users. With this redesigned nozzle, Zenith provides a more comfortable and secure fit that enhances the listening experience.
Refined Pressure Relief
Our chambering system first relieves pressure by venting into the internal cavity of the shell. The internal cavity then vents itself out via our uniquely placed under socket secondary vent. This unique approach minimizes potential dirt and dust build up over time while ensuring the delicate inner vent is not damaged from dailyuse.
Premium Altalune Cable
Cable Versatility At Its Finest
Zenith comes standard with our custom designed Altalune Audio Litmus Cable. While originally commissioned to be the standardised cable paired with Giant, during the R&D Phase with the material blend, solder and geometry, we realised the potential we had on our hands with its specific combination. As such, we decided to maximise all aspects of Litmus.
Each exclusive Litmus cable comes terminated with super low impedance interchangable plugs with both 3.5mm and 4.4mm version heads, allowing for compatibility with a myriad of source devices on top of offering futureproof flexibility.
All Things Internal
An IEM's internal wiring is its circulatory system, the unseen network that delivers punch, dynamics, and flow. In Zenith, wiring is not uniform. Each driver receives a dedicated wiring configuration, with varying gauge and material to optimise every driver’s sonic character and deliver every transient with authority.
This blend of material types delivers the power needed to drive Zenith's unique sound profile.
Listening Notes
The Zenith delivers a sound that is both powerful and nuanced, starting from a foundation of thick, grounded bass and lower midrange.
In the midrange, vocals and instruments are not merely separated but given their own distinct, three-dimensional space. You don’t just hear the singer; you sense the air around their voice, the subtle distance between their breath. Up top, the treble is effortlessly extended without harshness. Cymbals reveal their texture without a hint of digital zing.
Scaling Matters
Additionally, together with Elise's obsession on sources and amplification, we have been able to test and understand how Zenith scales from a simple dongle to multi-thousand dollar speaker amplifiers. Our final result doesn't hide its potential, it ascends. You don't have to own a desktop rig to enjoy it. But if you do, Zenith will be ready.
TrueX™ Crossover
By utilizing TrueX™ crossovers, we are able to tune each driver to the exact specifications we require to achieve the best possible sound.
PrecisionMatch™
Each earphone undergoes rigorous channel matching and reference matching with PrecisionMatch™ technology to guarantee a superior listening experience.
Quality Eartips
Paired with a comprehensive set of premium Azla Sedna Origins and Divinus Velvet Wide Bore
Available Upgrade
VORTEX CABLES IRIS
In 2025, Vortex Cables proudly introduces the "Zenith Series", marking a new chapter in our pursuit of sonic excellence. Committed to pushing boundaries in cable design, this series departs from conventional multi-material blends and embraces the purity of a single-material approach. The goal: to deliver uncompromised clarity, accuracy, and musicality, allowing users to experience sound in its most authentic and refined form.
Technical Details
Driver & Crossover
-
TrueX™ Custom Crossover with CORE+™
Technical Specifications
-
10Hz - 20kHz, ± 2 dB
-
108dB/Vrms @ 1 kHz
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6.10 Ohms @ 1 kHz
-
Spring Loaded 0.78mm 2-Pin
Cable Specifications
-
Litmus AWG Pure OCC Copper Litz Twisted Pair
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Interchangeable with 4.4mm and 3.5mm plugs
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0.18 Ohms @ 1kHz (4-Wire)
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0.18 Ohms @ 1kHz (4-Wire)
Warranty
-
1-Year Limited
Upgrade Cable Details
-
Vortex Iris
-
8 Wire - Taiwan 7N Silver Plated OCC
-
22.1 AWG
-
Litz Type 7 Helix
Watch our take
Symphonium x Elise Audio Zenith in our own words, filmed at Elise Studio in London.
More on our YouTube channelCustomer reviews
Shipping, returns & warranty
- Dispatch
- 1–3 business days In-stock items, Monday to Friday except bank holidays, subject to stock and security checks.
- Delivery
- Tracked or signed Delivery options and costs are shown at checkout. We don't profit from shipping charges.
- Returns
- 14 days For electronics such as DACs, amps and players, in like-new condition with all original packaging and accessories.
Good to know
- In-ear monitors can only be refunded if returned sealed and unused, for hygiene reasons. If you're not happy with yours, get in touch and we'll look at credit or a buy-back.
- Return shipping is paid by the customer.
- Open box, B-stock, refurbished and clearance items can't be returned.
- Please add a valid phone number at checkout in case we need to verify your identity.
- New products
- 1-year manufacturer warranty Most products. The exact warranty is set by the manufacturer.
- Pre-owned & open box
- 3 months B-grade, open box, refurbished, ex-demo and second-hand items.
- Covered
- Defects in materials, parts and workmanship
- Not covered
- Accidents, misuse and unauthorised repairs Including abnormal conditions, deliberate abuse and operator error.
- Making a claim
- Send it to us, we ship it back free You cover shipping to Elise Audio; we pay to send the repaired or replacement product back.